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389011056 = 24371157771
BaseRepresentation
bin10111001011111…
…101011001110000
31000002222210211220
4113023331121300
51244041323211
6102333505040
712432353010
oct2713753160
91002883756
10389011056
1118a64a845
12aa342180
1362794875
1439943c40
1524242806
hex172fd670

389011056 has 40 divisors (see below), whose sum is σ = 1148509824. Its totient is φ = 111145920.

The previous prime is 389011039. The next prime is 389011069. The reversal of 389011056 is 650110983.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578550 + ... + 579221.

Almost surely, 2389011056 is an apocalyptic number.

It is an amenable number.

389011056 is an abundant number, since it is smaller than the sum of its proper divisors (759498768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389011056 is a wasteful number, since it uses less digits than its factorization.

389011056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157789 (or 1157783 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 389011056 is about 19723.3632020505. The cubic root of 389011056 is about 729.9962819602.

The spelling of 389011056 in words is "three hundred eighty-nine million, eleven thousand, fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 1157771 2315542 3473313 4631084 6946626 8104397 9262168 13893252 16208794 18524336 24313191 27786504 32417588 48626382 55573008 64835176 97252764 129670352 194505528 389011056